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JP7497530B2 - Hybrid transmission for vehicles - Google Patents

Hybrid transmission for vehicles Download PDF

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Publication number
JP7497530B2
JP7497530B2 JP2023532586A JP2023532586A JP7497530B2 JP 7497530 B2 JP7497530 B2 JP 7497530B2 JP 2023532586 A JP2023532586 A JP 2023532586A JP 2023532586 A JP2023532586 A JP 2023532586A JP 7497530 B2 JP7497530 B2 JP 7497530B2
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Japan
Prior art keywords
transmission
power electronics
control device
electric machine
longitudinal direction
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JP2023551043A (en
Inventor
デングラー，マーティン
バウアー，ベンヤミン
ベッカー，ヤン
ブランデンブルク，マークス
エアテル，アンドレアス
ハーン，ピーター
ヘアター，トビアス
ムーラー，エルマー
ヴァイゴールド，ヨルグ
マウラー，ティモ
ビルジェ，プリタム
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Mercedes Benz Group AG
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Mercedes Benz Group AG
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Priority to JP2023123240A priority Critical patent/JP7520192B2/en
Priority to JP2023123238A priority patent/JP7546119B2/en
Publication of JP2023551043A publication Critical patent/JP2023551043A/en
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Publication of JP7497530B2 publication Critical patent/JP7497530B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)
  • Mechanical Operated Clutches (AREA)
  • General Details Of Gearings (AREA)
  • Structure Of Transmissions (AREA)
  • Motor Power Transmission Devices (AREA)

Description

本発明は、請求項１の前提部に詳しく定義されている種類の車両用ハイブリッド変速機に関する。 The present invention relates to a hybrid transmission for a vehicle of the kind specifically defined in the preamble of claim 1.

車両用ハイブリッド変速機は、基本的に従来技術から知られている。ここで常に重要になるのは、変速機の構造をできるだけ効率的でコンパクトなものにすることである。例えば特許文献１は、電気機械とそのパワーエレクトロニクスをハイブリッド変速機に統合することを説明している。ここでの構造は、電気機械がいわゆるインライン配置、すなわち変速機主軸と同軸上で使用されるというものである。 Hybrid transmissions for vehicles are basically known from the prior art. The key here is always to make the construction of the transmission as efficient and compact as possible. For example, US Pat. No. 5,399,433 describes the integration of an electric machine and its power electronics in a hybrid transmission. The construction here is such that the electric machine is used in a so-called in-line arrangement, i.e. coaxially with the transmission main shaft.

特許文献２におけるさらなる従来技術から、車両のデュアルクラッチ変速機が周知である。ここでは、取付けスペースを節約するため、電子油圧式制御ユニットがオイルチャンバー内に配置されている。この電子油圧システムは、一方では電気回路、他方では油圧式変速機制御器からなり、この場合、一般に変速機の電気制御を意味する変速機制御装置も変速機の構造内、つまりここでは変速機ハウジング内に一緒に統合されている。 From the further prior art in DE 10 200 03 133 A1, a dual clutch transmission for a vehicle is known. Here, in order to save installation space, an electro-hydraulic control unit is arranged in the oil chamber. This electro-hydraulic system consists, on the one hand, of an electrical circuit and, on the other hand, of a hydraulic transmission control, in which case the transmission control, which generally means an electrical control of the transmission, is also integrated together in the structure of the transmission, i.e. in this case in the transmission housing.

さらに、特許文献３から、油圧式制御器ならびに電気機械がハイブリッド変速機のハウジング内またはハウジング上に配置されているハイブリッド変速機が周知である。 Furthermore, from patent document 3, a hybrid transmission is known in which the hydraulic controller as well as the electric machine are arranged in or on the housing of the hybrid transmission.

最後に、特許文献４から、電気機械のパワーエレクトロニクスと変速機が統合ハウジング内に一緒に配置されているハイブリッド変速機が周知である。 Finally, from US Pat. No. 5,399,633 a hybrid transmission is known in which the power electronics of the electric machine and the transmission are arranged together in an integrated housing.

これらの文献にもかかわらず、ハイブリッド変速機のコンパクトな構造に関しては、これによって特に変速機主軸に沿った軸方向にできるだけコンパクトな構造と高い出力密度を達成するために、最適化の大きな可能性が依然として残されている。 Despite these documents, there is still great potential for optimization with regard to the compact construction of the hybrid transmission, thereby achieving a construction that is as compact as possible, particularly in the axial direction along the transmission main shaft, and a high power density.

独国特許出願公開第１０２０１０００２７４６号明細書DE 102010002746 A1 独国特許発明第１０２０１８００２１６７号明細書German Patent No. 102018002167 独国翻訳文公開第１１２０１４００１１１２号明細書German translation publication no. 112014001112 独国特許発明第１１２００９００００２２号明細書German Patent No. 112009000022

従って、本発明の課題は、請求項１の前提部に記載の特徴を備える車両のハイブリッド変速機をよりコンパクト化できるように改善することである。 The object of the present invention is therefore to improve a hybrid transmission for a vehicle having the features described in the preamble of claim 1 so as to make it more compact.

本発明に基づき、このことは、請求項１の特徴、およびここでは特に請求項１の特徴部に記載の特徴を持つハイブリッド変速機によって達成される。本発明のハイブリッド変速機の有利な実施形態および発展形態は、これに従属している従属請求項から明らかである。 According to the invention, this is achieved by a hybrid transmission having the features of claim 1 and here in particular the features described in the characterizing part of claim 1. Advantageous embodiments and developments of the hybrid transmission of the invention are evident from the dependent claims which depend thereon.

この車両用ハイブリッド変速機では、まず従来技術から周知のように、この変速機が横方向に延びる変速機入力軸と、これに平行に配置されている少なくとも１つの副軸とを備えている。その他にはクラッチ装置があり、これは、好ましくはデュアルクラッチとして、分離クラッチとして、またはそれらの組み合わせとして形成されていてよい。特に、デュアルクラッチとして形成する場合は２本の副軸が構造に含まれ、純粋な分離クラッチとしての形態では１本の副軸が含まれる。さらに差動装置も設けられており、これは差動入力歯車を有しており、その回転軸は変速機入力軸に対して、すなわち本発明に基づく構造では横方向と呼ばれる方向に対して平行に配置されている。固定子および回転子を備える電気機械も同様に、回転子の回転軸が変速機入力軸に対して平行に延びるように配置されている。電子式変速機制御を実現する変速機制御装置が設けられている。このとき、すでに言及した横方向に直交する縦方向に見て、差動入力歯車、変速機入力軸、変速機制御装置の順に連続して配置されている。 In this hybrid transmission for vehicles, as is known from the prior art, the transmission first has a transversely extending transmission input shaft and at least one countershaft arranged parallel to it. In addition, there is a clutch device, which can be preferably designed as a dual clutch, a separate clutch or a combination thereof. In particular, in the case of the dual clutch design, two countershafts are included in the design, while in the case of a purely separate clutch design, one countershaft is included. Furthermore, a differential device is provided, which has a differential input gear, the rotation axis of which is arranged parallel to the transmission input shaft, i.e., the direction called the transverse direction in the design according to the invention. The electric machine with the stator and rotor is likewise arranged so that the rotation axis of the rotor extends parallel to the transmission input shaft. A transmission control device is provided for implementing electronic transmission control. In this case, the differential input gear, the transmission input shaft and the transmission control device are arranged successively in the order of the longitudinal direction perpendicular to the transverse direction already mentioned.

変速機制御装置とは電子制御装置を意味し、これを用いてハイブリッド変速機の歯車セットの切替えユニット用アクチュエーターが制御される。このアクチュエーターは、周知の方式で油圧式アクチュエーターまたは電子機械式アクチュエーターまたはその両方の混合形式であってよい。油圧式アクチュエーターの場合、変速機制御装置は、例えば電磁弁および油圧ポンプを制御する。電気機械式アクチュエーターの場合、変速機制御装置は、例えばサーボモーターを制御する。有利には、変速機制御装置は、さらに、周知の方式で歯車セットの潤滑システムおよび冷却システムを制御するために形成されている。有利には、変速機制御装置は、電気機械の冷却システムを制御するためにも形成されていてよい。 By transmission control is meant an electronic control device, with which actuators for the shifting units of the gear sets of the hybrid transmission are controlled. These actuators may be hydraulic actuators or electromechanical actuators or a mixture of both in a known manner. In the case of hydraulic actuators, the transmission control device controls, for example, solenoid valves and hydraulic pumps. In the case of electromechanical actuators, the transmission control device controls, for example, servomotors. Advantageously, the transmission control device is furthermore designed to control, in a known manner, the lubrication system and the cooling system of the gear sets. Advantageously, the transmission control device may also be designed to control the cooling system of the electric machine.

さらに、周知の方式で、横方向に対しても縦方向に対しても垂直に配置されている高さ方向に、電気機械用パワーエレクトロニクスの少なくとも一部が、特に有利には変速機制御装置に隣接して配置されている。このとき、パワーエレクトロニクスのこの部分は、構造的にもっとも大きな部分であるが、いずれにしてもインバーターの回路基板を含んでいる。この配置により、極めて効率的かつコンパクトな構造が得られる。従って高度なシステム統合が可能となり、これによって本発明に基づくハイブリッド変速機の高い出力密度が可能になる。これ以外に、そのようにコンパクトに形成できる構造は、構成部品の組み立てに関しても、車両設計時の取付けスペース要件に最適に適合させることができる。 Furthermore, in a known manner, at least a part of the power electronics for the electric machine is arranged in the height direction, which is arranged perpendicular to both the transverse and longitudinal directions, particularly preferably adjacent to the transmission control device. This part of the power electronics is the largest structurally, but in any case includes the circuit board of the inverter. This arrangement results in a highly efficient and compact design, which allows a high degree of system integration and thus a high power density of the hybrid transmission according to the invention. In addition, such a compact design can be optimally adapted to the installation space requirements of the vehicle design, also in terms of the assembly of the components.

本発明に基づき、電気機械は、高さ方向において、油圧式変速機制御器の上部に隣接して配置され、縦方向において、この油圧式変速機制御器に重なって配置されるように設けられている。従って、変速機入力軸および少なくとも１つの副軸を備えるハイブリッド変速機の歯車セットが、電気機械、制御装置および油圧式変速機制御器とともに配置されている取付けスペースを最適に利用することができ、好ましくはこの油圧式変速機制御器は、縦方向に制御装置に隣接して配置されている。 According to the invention, the electric machine is arranged so that it is arranged adjacent to the top of the hydraulic transmission controller in the height direction and overlaps the hydraulic transmission controller in the vertical direction. Thus, the mounting space in which the hybrid transmission gear set with the transmission input shaft and at least one countershaft is arranged together with the electric machine, the control device and the hydraulic transmission controller can be optimally utilized, and the hydraulic transmission controller is preferably arranged adjacent to the control device in the vertical direction.

このとき、油圧式変速機制御器は、少なくとも、歯車セットのギアアクチュエーターを切替えるために使用されている制御弁、例えば電磁弁を備えている。有利には、油圧式変速機制御器は、ハイブリッド変速機の潤滑システムおよび冷却システムを制御するために使用されている弁も備えている。この油圧式変速機制御器は、変速機制御装置と電気的に接続されている。 The hydraulic transmission controller then comprises at least a control valve, e.g. a solenoid valve, which is used to switch the gear actuators of the gear set. Advantageously, the hydraulic transmission controller also comprises valves which are used to control the lubrication and cooling systems of the hybrid transmission. The hydraulic transmission controller is electrically connected to the transmission control device.

パワーエレクトロニクスとは、電気機械に配置されている周知の電子回路ユニットを意味している。パワーエレクトロニクスは、電気機械の制御に用いられる。 Power electronics refers to the well-known electronic circuit units that are placed in electric machines. They are used to control the electric machines.

ハイブリッド変速機の歯車セットとは、さまざまな変速比、すなわちさまざまなギア比を形成するために用いられるハイブリッド変速機を意味している。歯車セットには、少なくとも、入力軸、副軸、ならびにそれぞれこれらの軸と同軸上に配置されている歯車および切替えユニットが含まれている。 A hybrid transmission gear set refers to a hybrid transmission that is used to generate various transmission ratios, i.e. various gear ratios. The gear set includes at least an input shaft, a countershaft, and gears and a shifting unit that are respectively arranged coaxially with the input shaft and the countershaft.

高い出力密度を備えるコンパクト構造のハイブリッド変速機により、ボディシェルについては、衝突要件に関する構造を最適化することが可能になり、これにより、特にトラクションバッテリーによって高い追加重量が生じるようなハイブリッド変速機搭載車では、さらなる決定的な利点を提供することができる。 The compact design of the hybrid transmission with its high power density makes it possible to optimise the bodyshell's structure with regard to crash requirements, which offers a further decisive advantage, especially in hybrid-transmission vehicles where the traction battery creates a high additional weight.

一方向と平行に回転可能に取り付けられている要素の配置とは、回転可能に取り付けられている要素の回転軸がその方向に対して平行に配置されていることを意味する。従って、回転可能に取り付けられている２つの要素の平行配置とは、２つの要素の回転軸が平行に配置されているものと理解することができる。回転可能に支持されている別の２つの要素の同軸配置とは、別の２つの要素が同一の回転軸を持っているものと理解することができる。クラッチ装置が変速機入力軸と同軸上に配置されているとは、回転可能に取り付けられているクラッチディスクまたはクラッチ板が変速機入力軸と同軸上に配置されているものと理解することができる。 The arrangement of elements that are rotatably mounted parallel to one direction means that the rotation axis of the rotatably mounted elements is arranged parallel to that direction. Thus, the parallel arrangement of two rotatably mounted elements can be understood as the rotation axes of the two elements being arranged parallel. The coaxial arrangement of two other rotatably supported elements can be understood as the other two elements having the same rotation axis. The arrangement of a clutch device coaxially with the transmission input shaft can be understood as the arrangement of a rotatably mounted clutch disc or clutch plate coaxially with the transmission input shaft.

本発明に基づくハイブリッド変速機の極めて好都合な発展形態によれば、この場合、パワーエレクトロニクスの少なくとも一部は、意図された通りに使用される場合、高さ方向に変速機制御装置の上部に配置されている。この構造により、さらなる最適化が可能である。このとき、変速機制御装置は変速機油内に配置することができ、パワーエレクトロニクスは変速機制御装置の上部に、好ましくは縦方向に見て電気機械に隣接して配置されている。 According to a particularly advantageous development of the hybrid transmission according to the invention, at least a part of the power electronics is arranged in the height direction above the transmission control device when used as intended. This construction allows further optimization. The transmission control device can then be arranged in the transmission oil, and the power electronics are arranged above the transmission control device, preferably adjacent to the electric machine in the longitudinal direction.

本発明に基づくハイブリッド変速機のさらなる非常に好都合な実施形態によれば、さらに、パワーエレクトロニクスの一部が縦方向に延伸し、高さ方向に電気機械の上部に配置されるように設けることができる。パワーエレクトロニクスは、この場合、すなわち構造を横方向に見たときに、実質的にＬ字型に形成されており、部分的に変速機制御装置に隣接し、好ましくはその上部にあり、部分的に電気機械の上部にあるため、パワーエレクトロニクスがこの電気機械を部分的に取り囲み、それによって既存の取付けスペースにより効率的に統合することができる。 According to a further very advantageous embodiment of the hybrid transmission according to the invention, it can furthermore be provided that part of the power electronics extends in the longitudinal direction and is arranged in the height direction above the electric machine. The power electronics is in this case substantially L-shaped, i.e. when the construction is viewed in the transverse direction, and is partly adjacent to and preferably above the transmission control device and partly above the electric machine, so that the power electronics partly surrounds this electric machine and can thus be integrated more efficiently into the existing installation space.

本発明に基づくハイブリッド変速機の極めて好都合な発展形態によれば、パワーエレクトロニクスは、縦方向および／または横方向に少なくとも部分的に変速機制御装置に重なって配置される。これにより、一方では変速機制御装置の寸法に応じて、他方ではパワーエレクトロニクスの寸法に応じて、これらをいずれかの方向に重ねて配置できることで、取付けスペースをさらに節約することが可能である。 According to a particularly advantageous development of the hybrid transmission according to the invention, the power electronics are arranged at least partially overlapping the transmission control device in the longitudinal and/or transverse direction. This allows further savings in installation space, since, depending on the dimensions of the transmission control device on the one hand and the power electronics on the other hand, they can be arranged overlapping in either direction.

さらに、もう１つの極めて好都合な実施形態では、パワーエレクトロニクスのインバーターの回路基板が、変速機制御装置の回路基板に対し高さ方向に隣接し、かつ縦方向に平行に配置されている。この考え方の極めて好都合な発展形態によれば、縦方向に２０ｍｍより小さな間隔をあけて、好ましくは高さ方向に面一に配置されている隣接する回路基板を持つこの配置は、これらの２つの回路基板が好ましくは直接相互に接続する形で、例えば好ましくはハイブリッド変速機の変速機ハウジング内部の空いている共通の制御用取付けスペース内に配置されていることで、縦方向に非常に効率的な取付けスペースの利用を提供する。 In yet another very advantageous embodiment, the circuit board of the inverter of the power electronics is arranged vertically adjacent to and vertically parallel to the circuit board of the transmission control device. According to a very advantageous development of this concept, this arrangement with adjacent circuit boards arranged vertically at a distance of less than 20 mm, preferably flush in the vertical direction, provides a very efficient use of mounting space vertically, since these two circuit boards are preferably directly connected to each other, for example, in a free common control mounting space inside the transmission housing, preferably of a hybrid transmission.

このとき、電気機械は、すでに上述したように、回転子回転軸が変速機入力軸に対して平行に、すなわち構造の横方向に通るように形成されている。非常に有利な発展形態によれば、この回転子回転軸は縦方向に変速機入力軸とパワーエレクトロニクスとの間に配置されており、すでに上述したように、有利な実施形態によれば、電気機械は縦方向にパワーエレクトロニクスの少なくとも一部に隣接して配置されており、この部分は少なくとも回路基板を含み、その他の部分は縦方向に延びて配置されていてよい。このその他の部分には、この領域の配置に対して好ましい要素のみをいくつか挙げるとすれば、例えば直流電圧接続用の接続コネクターおよび中間回路コンデンサーが含まれる。 In this case, as already mentioned above, the electric machine is designed so that the rotor rotation axis runs parallel to the transmission input shaft, i.e. in the transverse direction of the structure. According to a very advantageous development, this rotor rotation axis is arranged longitudinally between the transmission input shaft and the power electronics, and as already mentioned above, according to an advantageous embodiment, the electric machine is arranged longitudinally adjacent to at least a part of the power electronics, which part includes at least a circuit board, and the other part may be arranged extending longitudinally. The other part includes, for example, a connecting connector for the DC voltage connection and an intermediate circuit capacitor, to name only a few elements that are preferred for the arrangement in this area.

このとき、電気機械とパワーエレクトロニクスを相互に接続している交流接続は、本発明に基づくハイブリッド変速機の非常に有利な発展形態によれば、高さ方向に回転子回転軸の下部に配置されている。この接続は、意図された使用において、一方ではインバーターの回路基板の下部に、他方では電気機械の下部に配置できるため、インバーターの残りの回路基板は高さ方向に上方へ延伸し、従って縦方向に電気機械の横に隣接する。 The AC connection interconnecting the electric machine and the power electronics is then arranged in the height direction below the rotor rotation axis according to a very advantageous development of the hybrid transmission according to the invention. In the intended use, this connection can be arranged on the one hand below the circuit board of the inverter and on the other hand below the electric machine, so that the remaining circuit boards of the inverter extend upwards in the height direction and are therefore adjacent laterally to the electric machine in the longitudinal direction.

パワーエレクトロニクスの直流接続は、高さ方向には回転子回転軸の上部に、縦方向には差動入力歯車の回転軸と回転子回転軸の間に配置されている。特に、ここで横方向として定義された方向が車両の横方向に相当し、縦方向が車両の縦方向に相当し、高さ方向が車両の高さ方向に相当する車両において、ハイブリッド変速機を車両に横置きする場合、直流接続が車両の正面部から後ろに移動するため、万一事故が生じた場合も比較的よく保護された領域に位置しており、このことは大きな利点となり得る。直流接続は、一般に、変速機の変速機ハウジングに配置されており、ここには少なくともパワーエレクトロニクス、変速機制御装置、油圧式変速機制御器および歯車セットが収納されている。これにより、これらは、万一の衝突事故に対して比較的安全な領域に配置されている。 The DC connection of the power electronics is arranged vertically above the rotor shaft and vertically between the shaft of the differential input gear and the rotor shaft. In particular in vehicles where the direction defined as the lateral direction corresponds to the lateral direction of the vehicle, the longitudinal direction corresponds to the longitudinal direction of the vehicle, and the height direction corresponds to the height direction of the vehicle, if the hybrid transmission is mounted transversely on the vehicle, the DC connection is moved from the front to the rear of the vehicle and is therefore located in a relatively well-protected area in the event of an accident, which can be a major advantage. The DC connection is generally arranged in the transmission housing of the transmission, which contains at least the power electronics, the transmission control device, the hydrostatic transmission control device and the gear set. This places them in an area that is relatively safe in the event of a collision.

さらに、本発明の特に有利な発展形態では、変速機ハウジングがカバーを有しており、このカバーは、縦方向に変速機入力軸とは反対の変速機制御装置およびパワーエレクトロニクスの側に配置されている。すなわち、パワーエレクトロニクスまたはインバーターの回路基板を備える少なくとも主要部分および歯車セットの電気制御用変速機制御装置は、変速機ハウジングのカバーの下に位置しており、このハウジングには、その他に、差動入力歯車、変速機入力軸、少なくとも１つの副軸、電気機械、油圧式変速機制御器が一緒に含まれている。この配置により、パワーエレクトロニクスおよび変速機制御装置は比較的容易にアクセス可能である。ハイブリッド変速機を、すでに上述したように車両に横置きする場合、このカバーは、車両の進行方向、すなわち縦方向において前方に位置しているため、カバーは車両の正面からアクセスできるようになっている。 Furthermore, in a particularly advantageous development of the invention, the transmission housing has a cover, which is arranged longitudinally on the side of the transmission control device and the power electronics opposite the transmission input shaft. That is, at least the main part with the circuit board of the power electronics or inverter and the transmission control device for the electrical control of the gear set are located under the cover of the transmission housing, which also contains the differential input gear, the transmission input shaft, at least one countershaft, the electric machine and the hydraulic transmission control device. This arrangement allows the power electronics and the transmission control device to be relatively easily accessible. If the hybrid transmission is placed transversely on the vehicle as already described above, the cover is located forward in the direction of travel of the vehicle, i.e. longitudinally, so that the cover can be accessed from the front of the vehicle.

本発明に基づくハイブリッド変速機のさらなる有利な実施形態は、以下に図を使って詳しく示されている実施例からも明らかである。 Further advantageous embodiments of the hybrid transmission according to the invention are evident from the examples shown in detail below with the aid of the figures.

本発明に基づくハイブリッド変速機の可能な実施形態を縦方向に対して横の視線方向から見た概略図である。1 is a schematic diagram of a possible embodiment of a hybrid transmission according to the invention, viewed transversely to the longitudinal direction; 本発明に基づくハイブリッド変速機を備える駆動系を横方向に対して垂直に見た概略図である。1 is a schematic view perpendicular to the lateral direction of a driveline including a hybrid transmission according to the present invention; 本発明に基づくハイブリッド変速機の代替の実施形態を図１と同様に示した図である。FIG. 2 is a view similar to FIG. 1 showing an alternative embodiment of a hybrid transmission according to the present invention.

図１に示されているのは、ここには図示されていない車両用のハイブリッド変速機であり、その全体を符号１で示している。このとき、図１には３つの方向が模式的に示されている。ここでは、縦方向ｘおよび高さ方向ｚにより、図１に描かれている図の平面が構成されている。横方向ｙはこれらに直交し、図面平面に投影される。図２では、その他のコンポーネントと共に、回転した形でこの構造が再度示されており、そこでは縦方向ｘが図面から外に出ており、図に描かれている平面は横方向ｙと高さ方向ｚによって構成されている。 Figure 1 shows a hybrid transmission for a vehicle (not shown), designated as a whole by the reference number 1. Three directions are shown diagrammatically in Figure 1. Here, the longitudinal direction x and the height direction z constitute the plane of the drawing depicted in Figure 1. The transverse direction y is perpendicular to these and is projected onto the drawing plane. In Figure 2, this structure is shown again, together with other components, in rotated form, where the longitudinal direction x has gone out of the drawing and the plane depicted in the drawing is constituted by the transverse direction y and the height direction z.

ハイブリッド変速機１は、部分的に、符号２で示されている変速機ハウジング内にある。ハイブリッド変速機１には、電気機械３ならびに差動装置が含まれ、ここでは差動装置の差動入力歯車４が図示されている。この差動入力歯車は、変速機入力軸５、ならびにここに図示されている実施形態では２本の副軸６を備える変速機と噛み合う。太線で記入されている符号７のクラッチ装置は、図２に描かれている横方向においてその前にある。このクラッチ装置７は、図１に示されているケースでは、補足的に分離クラッチを備えることのできるデュアルクラッチとして実施されている。後でさらに説明するように、分離クラッチを単独で用いる構造も考えられるであろう。 The hybrid transmission 1 is partially located in a transmission housing, designated by the reference number 2. It includes an electric machine 3 as well as a differential, of which a differential input gear 4 is shown here. This differential input gear meshes with a transmission input shaft 5 and with a transmission, which in the embodiment shown here has two countershafts 6. A clutch arrangement, designated by the reference number 7, is drawn in bold and is located in front of it in the lateral direction depicted in FIG. 2. In the case shown in FIG. 1, this clutch arrangement 7 is embodied as a dual clutch, which may additionally be provided with a separating clutch. As will be explained further below, a construction using a separating clutch alone is also conceivable.

ここで図示されているデュアルクラッチ変速機は、図２で分かるように、クラッチ装置７を介して内燃機関８に接続されている。このとき、本発明の文脈において「接続されている」とは、一般に、回転振動を抑制し減衰させるための装置（ここでは図示されていない）、例えばダブルマスフライホイールなどを介して間接的に接続が実施されていることを意味している。クラッチ装置７と内燃機関８の接続により、一方では内燃機関８によって、他方では回転子回転軸９を備える電気機械３によって、差動装置および車両の駆動を、差動入力歯車４を介して行うことができる。このとき、電気機械３は、ハイブリッド変速機１の歯車セットに対し、いわゆる隣接配置で配置されている。 The dual clutch transmission shown here is connected to the internal combustion engine 8 via a clutch device 7, as can be seen in FIG. 2. In this case, "connected" in the context of the present invention generally means that the connection is made indirectly via a device for suppressing and damping rotational vibrations (not shown here), such as a double mass flywheel. The connection of the clutch device 7 to the internal combustion engine 8 allows the differential and the vehicle to be driven by the internal combustion engine 8 on the one hand and by the electric machine 3 with the rotor shaft 9 on the other hand via the differential input gear 4. The electric machine 3 is then arranged in a so-called adjacent arrangement with respect to the gear set of the hybrid transmission 1.

電気機械３の隣接配置とは、回転子回転軸９が変速機入力軸５に対して軸方向に平行かつずれた状態で配置され、また副軸６に対しても軸方向に平行かつずれた状態で配置されていることを意味している。電気機械３は、例えばここでは図示されていない平歯車ペアを介して、またはチェーン駆動を介して、ハイブリッド変速機１の歯車または噛み合い部に連結されている。この噛み合い部は、例えばクラッチ装置のプレートキャリア上の外部噛み合い部か、あるいはまた変速機の歯車セット内の歯車であってもよく、それによって電気機械４は、その動力を例えば変速機入力軸や、特に副軸６のいずれか一方に送り出すことができる。 The adjacent arrangement of the electric machine 3 means that the rotor shaft 9 is arranged axially parallel to and offset from the transmission input shaft 5 and also to the countershaft 6. The electric machine 3 is connected to the gears or meshes of the hybrid transmission 1, for example via a spur gear pair not shown here or via a chain drive. The meshes can be, for example, external meshes on the plate carrier of the clutch device or also gears in the gear set of the transmission, so that the electric machine 4 can deliver its power, for example, to the transmission input shaft or, in particular, to the countershaft 6.

ハイブリッド変速機が車両縦方向または車両の進行方向に対して横向きに取り付けられるように、好ましくは車両縦方向でもある縦方向ｘにおいて、変速機入力軸５に隣接して油圧式変速機制御器１０があり、さらに隣接してハイブリッド変速機１の歯車セットの電気制御を担う変速機制御装置１１がある。電気機械３を制御するため、パワーエレクトロニクス１２が高さ方向ｚにおいて変速機制御装置１１の上部に隣接して配置されている。このパワーエレクトロニクスには、符号１３で示されているインバーターの少なくとも１つの回路基板が含まれ、この回路基板は三相交流接続１４を介して電気機械３に接続されている。さらに、パワーエレクトロニクス１２には中間回路コンデンサー１５も図示されている。変速機ハウジング２から符号１７で示されている領域に導出される直流接続１６を介して、パワーエレクトロニクス１２および最終的に電気機械３が、ハイブリッド変速機１を搭載した車両のトラクションバッテリー（ここには図示されていない）に接続される。 In the longitudinal direction x, which is preferably also the longitudinal direction of the vehicle, a hydraulic transmission control 10 is located adjacent to the transmission input shaft 5, and a transmission control device 11, which is responsible for the electrical control of the gear set of the hybrid transmission 1, is located adjacent to the transmission control device 11 in the vertical direction z, in order to control the electric machine 3. This power electronics 12 includes at least one circuit board of an inverter, indicated with the reference number 13, which is connected to the electric machine 3 via a three-phase AC connection 14. Furthermore, an intermediate circuit capacitor 15 is also shown in the power electronics 12. Via a DC connection 16 leading from the transmission housing 2 to an area indicated with the reference number 17, the power electronics 12 and finally the electric machine 3 are connected to the traction battery (not shown here) of the vehicle equipped with the hybrid transmission 1.

変速機ハウジング２は、図１では縦方向ｘの右側に、好ましくは進行方向の前方に配置されているハウジングカバー１８を有している。これにより、パワーエレクトロニクス１２および変速機制御装置１１の構造に容易にアクセスすることができ、また、変速機ハウジング２から符号１７で示されている領域に導出される直流接続１６が対応する方法で後方へ移動していることにより、ハイブリッド変速機１を搭載した車両が衝突した場合に、最大限の高い安全性が提供される。 The transmission housing 2 has a housing cover 18 which is arranged on the right side in the longitudinal direction x in FIG. 1, preferably in front in the direction of travel. This allows easy access to the structure of the power electronics 12 and the transmission control device 11, and the DC connection 16 leading out of the transmission housing 2 to the area indicated by the reference number 17 is moved backwards in a corresponding manner, thereby providing maximum safety in the event of a collision of a vehicle equipped with the hybrid transmission 1.

ハウジング２上の直流接続を実現するためのこの領域１７は、縦方向ｘにおいて電気機械３の回転子軸９と差動入力歯車４の回転軸１９の間にあり、従って縦方向ｘにおいて、カバー１８を備える変速機ハウジング２の正面からも、反対側からも大きく離れているので、衝突の際に高い安全性が保証されている。 This area 17 for realizing the DC connection on the housing 2 is located in the longitudinal direction x between the rotor shaft 9 of the electric machine 3 and the rotation axis 19 of the differential input gear 4 and is therefore far away in the longitudinal direction x from both the front and the opposite side of the transmission housing 2 with the cover 18, so that a high degree of safety is guaranteed in the event of a collision.

このとき、パワーエレクトロニクス１２は、主として、縦方向ｘにおいてカバー１８と電気機械３の間に配置されているインバーターの回路基板１３を持つ一次区画を備えているため、交流接続を電気機械３の回転子回転軸９の下部に配置することにより、電気機械３の横にある取付けスペースを最適に利用できるようになる。パワーエレクトロニクス１２の、例えば直流接続１６および中間回路コンデンサー１５を持つその他の部分は、縦方向ｘに延伸し、高さ方向ｚの方向において電気機械に隣接して配置されているため、この電気機械はパワーエレクトロニクス１２から部分的に取り囲まれる。このとき、変速機制御装置１１と、入力軸５および副軸６を備える歯車セットとの間には、電気機械３に重なるように油圧式変速機制御器１０が配置されているため、これが変速機内部において、対応する構成部品と直接相互作用することができるので、同様に構造がコンパクトになり、必要なケーブル長さに関しても非常に効率的になる。 The power electronics 12 then mainly comprises a primary section with the inverter circuit board 13, which is arranged between the cover 18 and the electric machine 3 in the longitudinal direction x, so that the AC connections are arranged below the rotor shaft 9 of the electric machine 3, thereby making it possible to optimally utilize the installation space next to the electric machine 3. The remaining parts of the power electronics 12, for example with the DC connections 16 and the intermediate circuit capacitors 15, extend in the longitudinal direction x and are arranged adjacent to the electric machine in the height direction z, so that the electric machine is partially surrounded by the power electronics 12. The hydraulic transmission control 10 is then arranged between the transmission control device 11 and the gear set with the input shaft 5 and the countershaft 6, overlapping the electric machine 3, so that it can directly interact with the corresponding components inside the transmission, which likewise results in a compact construction and is very efficient in terms of the required cable lengths.

このとき、変速機制御装置１１の回路基板２０は、インバーターの回路基板１３に対し、高さ方向Ｚにおいて隣接しており、縦方向ｘにおいて平行に配置されている。これらの基板は、縦方向ｘに好ましくは２０ｍｍよりも小さな間隔を有している必要がある。最適には、高さ方向ｚに沿って互いに面一に配置されている。 In this case, the circuit board 20 of the transmission control device 11 is adjacent to the circuit board 13 of the inverter in the height direction Z and is arranged parallel to the circuit board 13 in the vertical direction x. These boards should have a distance in the vertical direction x that is preferably smaller than 20 mm. Optimally, they are arranged flush with each other along the height direction z.

変速機ハウジング２のカバー１８に向かって見た図２には、変速機ハウジングの内部に、差動入力歯車４、ここには図示されていない副軸６、および変速機入力軸５が配置されており、同様に電気機械３および油圧式変速機制御器１０、ならびに下部の変速機制御装置１１とこれに重なる上部のパワーエレクトロニクス１２との組み合わせが配置されている。内燃機関８のクランクシャフトは、この状況において、ここではデュアルクラッチとして形成されてよいクラッチ装置７に間接的に動力を伝達する。全体として、特に横方向Ｙ、すなわち変速機の主軸、例えば変速機入力軸５に沿って極めてコンパクトな構造を実現することが可能になる。従って、この構造は、図２の概略図に示されている駆動系２１を搭載した車両の前方へ向かう視線方向に対応するように、進行方向に対して横向きに車両に取り付けることができる。 2, looking towards the cover 18 of the transmission housing 2, the differential input gear 4, the countershaft 6, not shown here, and the transmission input shaft 5 are arranged inside the transmission housing, as well as the electric machine 3 and the hydraulic transmission control 10, and the combination of the lower transmission control device 11 and the upper power electronics 12 superimposed thereon. The crankshaft of the internal combustion engine 8 in this situation indirectly transmits power to the clutch arrangement 7, which may be formed here as a dual clutch. Overall, it becomes possible to realize a very compact construction, especially in the transverse direction Y, i.e. along the main shaft of the transmission, for example the transmission input shaft 5. This construction can therefore be mounted on the vehicle transversely to the direction of travel, corresponding to the forward line of sight of the vehicle with the drivetrain 21 shown in the schematic diagram of FIG. 2.

このとき、この変速機ハウジング２の外部輪郭を、車両に必要なさらなる構成部品および構造物に適合させるため、変速機ハウジング２には取付けスペースがまだ十分に残るようになっている。例えば図１において、高さ方向ｚにおける変速機ハウジング２の下部には、符号２２で示された任意選択の凹部が確認でき、変速機ハウジング２の外部にあるこの領域に、特に好ましくは車両のステアリングのコンポーネントを配置することができる。任意選択の凹部２２は、有利には縦方向ｘに見て差動入力歯車の回転軸１９と変速機制御装置１１との間に配置されている。 At this time, sufficient mounting space still remains in the transmission housing 2 in order to adapt the outer contour of the transmission housing 2 to further components and structures required for the vehicle. For example, in FIG. 1, an optional recess, designated by the reference number 22, can be seen in the lower part of the transmission housing 2 in the height direction z, in which a steering component of the vehicle can be particularly preferably arranged. The optional recess 22 is advantageously arranged between the rotation axis 19 of the differential input gear and the transmission control device 11 as viewed in the longitudinal direction x.

図３には、変速機ハウジング２が再度図示されている。ここでは任意選択の凹部２２がなく、変速機ハウジング２のカバー１８は、図１とは異なり明確に示されていない。それ以外では、図１に示されている構造が、引き続き図３に示されている構造に対応するようになっている。ここでも、回転軸１９を備える差動入力歯車４、同様に回転子軸９を備える電気機械３が確認できる。油圧式変速機制御器１０が図示されており、縦方向ｘにおいてこれに隣接する形で変速機制御装置１１が配置されており、回路基板２０の明確な表示は省略されている。さらに、パワーエレクトロニクス１２があり、ここでもインバーターの回路基板、電気接続および詳細が図の中では省略されている。 In FIG. 3, the transmission housing 2 is again shown, without the optional recess 22 and without the cover 18 of the transmission housing 2, which is different from FIG. 1 and is not explicitly shown. Otherwise, the structure shown in FIG. 1 continues to correspond to the structure shown in FIG. 3. Here again, the differential input gear 4 with the rotating shaft 19 can be seen, as well as the electric machine 3 with the rotor shaft 9. The hydraulic transmission control 10 is shown, adjacent to which in the longitudinal direction x the transmission control device 11 is arranged, the explicit representation of the circuit board 20 being omitted. Furthermore, there is the power electronics 12, where again the circuit board, the electrical connections and the details of the inverter are omitted in the figure.

主な違いは、ここではクラッチ装置７が純粋な分離クラッチとして形成されていることである。すなわち、図１の構造とは異なり、２本の副軸６を備えるデュアルクラッチ変速機が制御されるのではなく、入力軸５と唯一の副軸６を備える変更された歯車セットによる簡単なハイブリッド変速機が制御され、これを介して差動入力歯車４が適宜駆動される。この構造は、例えば電気機械３と好適にハイブリッド化されている単純な自動変速機の形で実現できるであろう。この電気機械は、ハイブリッド変速機１の変更された歯車セットに対し、すでに上述した隣接配置で配置されている。パワーエレクトロニクス１２と変速機制御装置１１を統合した制御の重要な構造は、前に説明した実施例と同じである。 The main difference is that here the clutch arrangement 7 is formed as a purely separating clutch, i.e., in contrast to the structure of FIG. 1, instead of a dual clutch transmission with two countershafts 6, a simple hybrid transmission with an input shaft 5 and a modified gear set with only one countershaft 6 is controlled, via which the differential input gear 4 is driven accordingly. This structure could be realized, for example, in the form of a simple automatic transmission, which is suitably hybridized with an electric machine 3. This electric machine is arranged in the adjacent arrangement already described above with respect to the modified gear set of the hybrid transmission 1. The essential structure of the integrated control of the power electronics 12 and the transmission control device 11 is the same as in the previously described embodiment.

Claims (12)

－横方向（ｙ）に通る変速機入力軸（５）と、
－前記変速機入力軸（５）に対して平行に配置されている少なくとも１つの副軸（６）と、
－前記変速機入力軸（５）と同軸上に配置されている、少なくとも１つのクラッチを有するクラッチ装置（７）と、
－差動入力歯車（４）を有し、
前記差動入力歯車の回転軸（１９）が前記変速機入力軸（５）に対して平行に配置されている差動装置と、
－回転子および固定子を有し、回転子回転軸（９）が変速機入力軸（５）に対して平行に配置されている電気機械（３）と、
－変速機制御装置（１１）と、
を備え、
－横方向（ｙ）に対して垂直に配置されている縦方向（ｘ）に見て、
前記差動入力歯車（４）、前記変速機入力軸（５）、および前記変速機制御装置（１１）を含む変速機制御器の順に連続して配置されており、
前記横方向（ｙ）に対して垂直に、かつ前記縦方向（ｘ）に対して垂直に配置されている高さ方向（ｚ）に、前記電気機械（３）用パワーエレクトロニクス（１２）の少なくとも一部が、前記変速機制御装置（１１）に隣接して配置されており、
前記電気機械（３）は、前記高さ方向（ｚ）において、油圧式変速機制御器（１０）の上部に隣接して配置され、前記縦方向（ｘ）において、前記油圧式変速機制御器（１０）に重なって配置されている、車両用ハイブリッド変速機（１）において、
前記パワーエレクトロニクス（１２）のその他の部分は前記縦方向（ｘ）に延伸し、前記高さ方向（ｚ）に前記電気機械（３）の上部に配置されていることを特徴とする車両用ハイブリッド変速機（１）。 - a transmission input shaft (5) passing in the transverse direction (y),
at least one countershaft (6) arranged parallel to said transmission input shaft (5);
- a clutch arrangement (7) having at least one clutch, arranged coaxially with said transmission input shaft (5);
- has a differential input gear (4),
a differential gear in which the rotation axis (19) of the differential input gear is arranged parallel to the transmission input shaft (5);
an electric machine (3) having a rotor and a stator, the rotor rotation axis (9) being arranged parallel to the transmission input shaft (5);
a transmission control device (11),
Equipped with
in the longitudinal direction (x) which is arranged perpendicular to the transverse direction (y),
the differential input gear (4), the transmission input shaft (5), and a transmission controller including the transmission control device (11) are arranged in series in this order;
in a height direction (z) perpendicular to the transverse direction (y) and perpendicular to the longitudinal direction (x), at least a part of power electronics (12) for the electric machine (3) is arranged adjacent to the transmission control device (11);
In a hybrid transmission (1) for a vehicle, the electric machine (3) is disposed adjacent to an upper portion of a hydrostatic transmission controller (10) in the height direction (z) and overlaps the hydrostatic transmission controller (10) in the longitudinal direction (x),
The remaining parts of the power electronics (12) extend in the longitudinal direction (x) and are arranged above the electric machine (3) in the height direction (z) . 前記変速機制御装置（１１）に隣接して配置されている前記パワーエレクトロニクス（１２）の前記少なくとも一部は、意図されたとおりに使用される場合、前記変速機制御装置（１１）の上部に配置されていることを特徴とする、請求項１に記載のハイブリッド変速機（１）。 The hybrid transmission (1) according to claim 1, characterized in that at least a portion of the power electronics (12) arranged adjacent to the transmission control device (11) is arranged on top of the transmission control device (11) when used as intended. 前記パワーエレクトロニクス（１２）は、前記縦方向（ｘ）および／または前記横方向（ｙ）に少なくとも部分的に前記変速機制御装置（１１）に重なって配置されていることを特徴とする、請求項１または２に記載のハイブリッド変速機（１）。 3. The hybrid transmission (1) according to claim 1 or 2, characterized in that the power electronics (12) is arranged at least partially overlapping the transmission control device (11) in the longitudinal direction (x) and/ or the lateral direction (y). 前記パワーエレクトロニクス（１２）のインバーターの回路基板（１３）は、前記変速機制御装置（１１）の回路基板（２０）に対し前記高さ方向（ｚ）に隣接し、かつ前記縦方向（ｘ）に平行に配置されていることを特徴とする、請求項１から３のいずれか一項に記載のハイブリッド変速機（１）。 4. The hybrid transmission (1) according to claim 1, wherein a circuit board (13) of an inverter of the power electronics ( 12 ) is arranged adjacent to a circuit board (20) of the transmission control device (11) in the height direction (z) and parallel to the longitudinal direction (x). 前記パワーエレクトロニクス（１２）の前記インバーターの前記回路基板（１３）は、前記変速機制御装置（１１）の前記回路基板（２０）に対して２０ｍｍより小さな間隔をあけて、前記高さ方向（ｚ）に面一に配置されていることを特徴とする、請求項４に記載のハイブリッド変速機（１）。 5. The hybrid transmission (1) according to claim 4, characterized in that the circuit board (13) of the inverter (12) of the power electronics (12) is arranged flush with the circuit board (20) of the transmission control device (11) in the height direction (z) at a distance of less than 20 mm. 前記電気機械の回転子回転軸（９）は、縦方向（ｘ）に前記変速機入力軸（５）と前記パワーエレクトロニクス（１２）の少なくとも一部との間に配置されていることを特徴とする、請求項１から５のいずれか一項に記載のハイブリッド変速機（１）。 6. A hybrid transmission (1) according to any one of claims 1 to 5, characterized in that the rotor rotation shaft (9) of the electric machine is arranged in the longitudinal direction (x) between the transmission input shaft ( 5 ) and at least a part of the power electronics (12). 前記電気機械（３）は、前記縦方向（ｘ）に前記パワーエレクトロニクス（１２）の少なくとも一部に隣接して配置されていることを特徴とする、請求項１から６のいずれか一項に記載のハイブリッド変速機（１）。 7. The hybrid transmission (1) according to any one of claims 1 to 6 , characterized in that the electric machine (3) is arranged adjacent to at least a part of the power electronics (12) in the longitudinal direction (x). 前記電気機械（３）と前記パワーエレクトロニクス（１２）を接続している交流接続（１４）は、前記高さ方向（ｚ）に前記回転子回転軸（９）の下部に配置されていることを特徴とする、請求項６に記載のハイブリッド変速機（１）。 7. The hybrid transmission (1) according to claim 6, characterized in that an AC connection (14) connecting the electric machine ( 3 ) and the power electronics (12) is arranged below the rotor axis of rotation (9) in the height direction (z). 前記パワーエレクトロニクス（１２）の直流接続（１６）は、前記高さ方向（ｚ）には前記回転子回転軸（９）の上部に、前記縦方向（ｘ）には前記差動入力歯車（４）の前記回転軸（１９）と前記回転子回転軸（９）の間に配置されていることを特徴とする、請求項１から８のいずれか一項に記載のハイブリッド変速機（１）。 9. The hybrid transmission (1) according to claim 1, characterized in that the DC connection (16) of the power electronics (12) is arranged above the rotor rotation axis (9) in the height direction (z) and between the rotation axis (19) of the differential input gear ( 4 ) and the rotor rotation axis (9) in the longitudinal direction (x). 少なくとも、前記差動入力歯車（４）、前記変速機入力軸（５）、前記少なくとも１つの副軸（６）、前記電気機械（３）、前記変速機制御装置（１１）、前記油圧式変速機制御器（１０）、前記パワーエレクトロニクス（１２）を収納する変速機ハウジング（２）は、前記縦方向（ｘ）に前記変速機入力軸（５）とは反対の前記変速機制御装置（１１）および前記パワーエレクトロニクス（１２）の少なくとも一部の側に配置されているカバー（１８）を有していることを特徴とする、請求項１から９のいずれか一項に記載のハイブリッド変速機（１）。 10. The hybrid transmission (1) according to any one of claims 1 to 9, characterized in that the transmission housing (2) housing at least the differential input gears (4), the transmission input shaft (5), the at least one countershaft (6), the electric machine (3), the transmission control device (11), the hydrostatic transmission controller (10) and the power electronics (12) has a cover (18) arranged on a side of the transmission control device (11) and at least a part of the power electronics (12) opposite the transmission input shaft ( 5 ) in the longitudinal direction (x). 前記横方向（ｙ）、前記縦方向（ｘ）、前記高さ方向（ｚ）は、車両に取り付けられているハイブリッド変速機（１）の場合、記載した順番に、車両横方向、車両縦方向、車両高さ方向に該当することを特徴とする、請求項１から１０のいずれか一項に記載のハイブリッド変速機（１）。 11. The hybrid transmission (1) according to claim 1, characterized in that, in the case of a hybrid transmission (1) mounted on a vehicle, the lateral direction (y), the longitudinal direction (x) and the height direction (z) correspond to the vehicle lateral direction, the vehicle longitudinal direction and the vehicle height direction, in that order. 前記クラッチ装置（７）は、デュアルクラッチおよび／または分離クラッチを有していることを特徴とする、請求項１から１１のいずれか一項に記載のハイブリッド変速機（１）。 Hybrid transmission (1) according to any one of the preceding claims, characterized in that the clutch arrangement (7) comprises a dual clutch and/or a separating clutch.
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